Preamp Output - JL Audio HD750/1 Owner's Manual

aPPendix a:
Hd750/1 specifications
Amplifier Topology: Class D, switching type with
patented Single-Cycle Control™ technology.
Power Supply: Pulse width modulation-regulated
switching power supply
Recommended Fuse Value / Type: 60A (AGU or
MaxiFuse™)
Rated Power:
750W RMS x 1 @ 1.5-4Ω (11V - 14.5V)
THD at Rated Power: <0.03% @ 4Ω
(Average at 1 kHz)
Signal to Noise Ratio (20 kHz Bandwidth):
Referred to Rated Power: 111 dBA
Referred to 1 Watt: 82.2 dBA
Frequency Response: 6 Hz - 30 kHz (+0, -1dB)
Damping Factor:
>500 @ 4Ω per ch. / 50 Hz
>250 @ 2Ω per ch. / 50 Hz
crossover Filter:
Filter Type: State-variable, 12 dB/octave Butterworth or
24 dB/octave Linkwitz-Riley
Filter Modes: Low-Pass or High-Pass, Defeatable.
Cutoff Freq. Range: Continuously variable, 50 - 500 Hz
input sections:
No. of Inputs: One Stereo Pair, sums to mono
Input Type: Differential-balanced with RCA jack inputs
Input Range: Switchable from 200mV - 2V RMS (Low)
to 800mV - 8V RMS (High)

Preamp output:

2-Channel, buffered pass-through type
chassis dimensions (lxwxH):
10.74 in. x 7.85 in. x 1.93 in. (273 mm x 199.5 mm x 49 mm)
Dimensions do not include connectors.
Due to ongoing product development, all specifications are subject to
change without notice.
17